Adhesive tape dispenser



Oct. 15, 1946. LESSIN ADHESIVE TAPE DISPENSER Filed March 31, 1945INVENTOR: JkI we E.Le5su1/ ATToRzEvs Patented ct. 15, 1946 ADHESIVE TAPEDISPENSER Maurice E. Lessin, New York, N. Y., assignor to MinnesotaMining & Manufacturing Company, St. Paul, Minn, a corporation ofDelaware Application March 31, 1945, Serial N 0. 585,828

2 Claims.

This invention relates to adhesive tape supply spools or dispensers ofthe pocket type which substantially enclose and protect the tape exceptwhen it is being dispensed. It has among its objective the provision ofsuch a dispenser which is a simplified unitary structure withoutseparate covers or other parts to become lost, having its own attachedsevering means, and which may be employed to store and dispensepressure-sensitive adhesive tape (such as that sold under the trade-markScotch) The invention is exemplified by a device described hereinafterand illustrated in the accompanying drawing in which:

Figure 1 is a front elevation of the illustrative dispenser in closedposition;

Figure 2 is a radial axial section taken on the line 22 in Figure 1.

Figures 3 and 4 are plan and front elevations, respectively, of the samedispenser in open position; and

Figure 5 is a side elevation of the dispenser in open position withcertain parts broken away.

A flanged spool S adapted to receive and to hold rotatably a roll oftape T is positioned within a ring or hollow cylinder 1 concentricallytherewith. At diametrically opposite edges of the spool, bridges 5 and4, respectively, which span the spools flanges are fixed thereto andhold pins 6 and l by which the spool is pivotally supported in thecylinder. At corresponding points opposite the bridges, the cylinderscircular wall is broken and the gaps are bridged by bearing plates 2 and3, respectively, which have suitable apertures in which the pins 6 and Iare journaled. The shoulders which occur at the juncture of the plates 2and 3 with the circular Walls of the cylinder i, may be shaped, as at[0, to permit the bridges 5 and 4 to clear them when the spool S turnswithin the cylinder on its pins 5 and 'i. The plates 2 and 3 haveserrated edges forming tape cutting edges 8 and 9, respectively.

When in closed position (Figures 1 and 2) the spool s and the ring orcylinder l are concentric, and the ring and the flanges of the spoolform a compact cylindrical container that encloses and protects thetape. When in open position (Figures 3, 4 and 5) with the radial crosssections of the spool and ring at approximate right angles to eachother, tape may then be withdrawn from the spool and severed by drawingit against the cutting edges 8 or 9 as shown in Figure 5.

The spool and the bridges 5 and 4 may be heid to each other byfrictional engagement, in which case the flanges of the spool may besprung together to permit temporary removal of the spool for mounting afresh roll of tape therein.

I claim:

1. An adhesive tape dispenser comprising a spool for holding a supplyroll of tape, a hollow cylinder into which the spool fitsconcentrically,

bearing means for pivotally mounting the spool for rotation within thecylinder about an axis that is coincident with a common diameter of thespool and the cylinder, and a severing edge on the cylinder positionedto permit tape to be drawn thereagainst to seventhe latter after itswithdrawal from th spool when the spool and the cylinder are positionedwith their radial cross sectional planes approximately at right anglesto each other.

2. An adhesive tape dispenser comprising a flanged spool for holding asupply roll of tape, an enclosing cover therefor comprising a hollowcylinder of a length approximately equal to the axial length of thespool into which the spool fits concentrically, bearing means forpivotally mounting the spool for rotation within the cylinder about anaxis that is coincident with a common diameter of the spool and thecylinder at the approximate midpoint of their axial length, the tapebeing enclosed by the spools flanges and the cylinder when the spool andthe cylinder are concentric in closed position and the tape beingexposed in readiness for withdrawal when the spool and the cylinder arein open position with their radial cross sectional planes approximatelyat right angles to each other, and a severing edge adjacent an edge ofthe cylinder positioned to permit tape to be drawn thereagainst to severthe latter after its withdrawal from the spool when the spool and thecylinder are in open position.

MAURICE E. LESSIN.

